Still trapped in each other's bodies, Oliver and Barry head to Gotham City with Supergirl to find out why their reality changed and cross paths with the mysterious Kate Kane.
Bull agrees to have TAC represent a priest who is charged in a fatal hit-and-run after he’s found behind the wheel of the church van involved in the crash. But the case is complicated when the priest claims that the actual driver confessed to him, but he can’t reveal that person’s identity due to the confidentiality that comes with confession.
After Constantine changes the timeline by saving his lover, he teams up with Charlie and Zari to set things right without losing Dez. The results are... unpredictable.
Lukrum strikes a deal with Russia for exclusive mining rights. Uneasiness spreads over Olympus Town as LT. Commander Mike Glenn undermines Hana and endangers the members of Lukrum Colony as a result. And, a new baby – the first-generation Martian – arrives two months early! In the Arctic Circle in present day, nations attempt to work together to reign in corporate interests, protect fragile ecosystems and preserve indigenous lifestyles while fossil-fuel companies prioritize their own profit over the public good.